Supply and demand determine equilibrium prices ... which fluctuates over the course of the year. For example, if you wanted to visit New Orleans during Mardi Gras, you would expect to pay a ...

That is, supply should match demand at a price that is acceptable to all. Market failure is a failure of equilibrium that ... One noteworthy example is rent-seeking by special interest groups.

There are other permutations, of course, for example when supply is suddenly restricted ... This is because it takes time for ...